[INFO] crate genetic 0.2.1 is already in cache [INFO] extracting crate genetic 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/genetic/0.2.1 [INFO] extracting crate genetic 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic/0.2.1 [INFO] validating manifest of genetic-0.2.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of genetic-0.2.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing genetic-0.2.1 [INFO] finished frobbing genetic-0.2.1 [INFO] frobbed toml for genetic-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/genetic/0.2.1/Cargo.toml [INFO] started frobbing genetic-0.2.1 [INFO] finished frobbing genetic-0.2.1 [INFO] frobbed toml for genetic-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing genetic-0.2.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] abf1937e37f8b0ac48fbf7105c0ee5c14f68f28d16a0b52ee5cb7984481eef22 [INFO] running `"docker" "start" "-a" "abf1937e37f8b0ac48fbf7105c0ee5c14f68f28d16a0b52ee5cb7984481eef22"` [INFO] [stderr] Compiling genetic v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | evaluator: &'a mut Evaluator, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | reproducer: &'b mut Reproducer, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:66 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [INFO] [stderr] [INFO] [stderr] warning: unused import: `universe::Universe` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use universe::Universe; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutation_rate` [INFO] [stderr] --> src/lib.rs:63:23 [INFO] [stderr] | [INFO] [stderr] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_mutation_rate` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:131:28 [INFO] [stderr] | [INFO] [stderr] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:150:22 [INFO] [stderr] | [INFO] [stderr] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `pop_limit` [INFO] [stderr] --> src/universe.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pop_limit: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_genome` [INFO] [stderr] --> src/lib.rs:38:2 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn from_genome(genome: &Vec) -> LittleAnimal { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NaturalSelection` [INFO] [stderr] --> src/lib.rs:119:1 [INFO] [stderr] | [INFO] [stderr] 119 | struct NaturalSelection; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:123:2 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn new() -> NaturalSelection { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NaturalReproduction` [INFO] [stderr] --> src/lib.rs:138:1 [INFO] [stderr] | [INFO] [stderr] 138 | struct NaturalReproduction; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:142:2 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn new() -> NaturalReproduction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "abf1937e37f8b0ac48fbf7105c0ee5c14f68f28d16a0b52ee5cb7984481eef22"` [INFO] running `"docker" "rm" "-f" "abf1937e37f8b0ac48fbf7105c0ee5c14f68f28d16a0b52ee5cb7984481eef22"` [INFO] [stdout] abf1937e37f8b0ac48fbf7105c0ee5c14f68f28d16a0b52ee5cb7984481eef22 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] f710bc6f1644425be74d398d49f4ac265b2ef114504d4c7549a9e04c77c3f4c0 [INFO] running `"docker" "start" "-a" "f710bc6f1644425be74d398d49f4ac265b2ef114504d4c7549a9e04c77c3f4c0"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling genetic v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | evaluator: &'a mut Evaluator, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | reproducer: &'b mut Reproducer, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/universe.rs:33:66 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn new(evaluator: &'a mut Evaluator, reproducer: &'b mut Reproducer) -> Universe<'a, 'b, T> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Reproducer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutation_rate` [INFO] [stderr] --> src/lib.rs:63:23 [INFO] [stderr] | [INFO] [stderr] 63 | fn mutate(&mut self, mutation_rate: f32) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_mutation_rate` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:131:28 [INFO] [stderr] | [INFO] [stderr] 131 | fn measure_fitness(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `population` [INFO] [stderr] --> src/lib.rs:150:22 [INFO] [stderr] | [INFO] [stderr] 150 | fn reproduce(&self, population: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_population` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `pop_limit` [INFO] [stderr] --> src/universe.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pop_limit: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "f710bc6f1644425be74d398d49f4ac265b2ef114504d4c7549a9e04c77c3f4c0"` [INFO] running `"docker" "rm" "-f" "f710bc6f1644425be74d398d49f4ac265b2ef114504d4c7549a9e04c77c3f4c0"` [INFO] [stdout] f710bc6f1644425be74d398d49f4ac265b2ef114504d4c7549a9e04c77c3f4c0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/genetic/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] abbbb9e1a7e70048fa1abe7a02ee9a87a244eee90811a054e18edb36ecb2ef6b [INFO] running `"docker" "start" "-a" "abbbb9e1a7e70048fa1abe7a02ee9a87a244eee90811a054e18edb36ecb2ef6b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/genetic-887ec53344563407 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_works ... ok [INFO] [stderr] Doc-tests genetic [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "abbbb9e1a7e70048fa1abe7a02ee9a87a244eee90811a054e18edb36ecb2ef6b"` [INFO] running `"docker" "rm" "-f" "abbbb9e1a7e70048fa1abe7a02ee9a87a244eee90811a054e18edb36ecb2ef6b"` [INFO] [stdout] abbbb9e1a7e70048fa1abe7a02ee9a87a244eee90811a054e18edb36ecb2ef6b